Photonic apparatus with bias control to provide substantially constant responsivity of a photodetector

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United States of America Patent

PATENT NO 11137283
APP PUB NO 20190257688A1
SERIAL NO

16402990

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Abstract

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Embodiments of the present disclosure are directed toward techniques and configurations for a photonic apparatus with a photodetector with bias control to provide substantially constant responsivity. The apparatus includes a first photodetector, to receive an optical input and provide a corresponding electrical output; a second photodetector coupled with the first photodetector, wherein the second photodetector is free from receipt of the optical input; and circuitry coupled with the first and second photodetectors, to generate a bias voltage, based at least in part on a dark current generated by the second photodetector in an absence of the optical input, and provide the generated bias voltage to the first photodetector. The first photodetector is to provide a substantially constant ratio of the electrical output to optical input in response to the provision of the generated bias voltage. Additional embodiments may be described and claimed.

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Patent Owner(s)

Patent OwnerAddress
INTEL CORPORATION2200 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balamurugan, Ganesh Hillsboro, US 38 361
Li, Hao Hillsboro, US 560 4472
Rong, Haisheng Pleasanton, US 67 756
Sakib, Meer Nazmus Berkeley, US 15 73

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